wt-status.con commit prio-queue: factor out compare and swap operations (6d63baa)
   1#include "cache.h"
   2#include "pathspec.h"
   3#include "wt-status.h"
   4#include "object.h"
   5#include "dir.h"
   6#include "commit.h"
   7#include "diff.h"
   8#include "revision.h"
   9#include "diffcore.h"
  10#include "quote.h"
  11#include "run-command.h"
  12#include "argv-array.h"
  13#include "remote.h"
  14#include "refs.h"
  15#include "submodule.h"
  16#include "column.h"
  17#include "strbuf.h"
  18#include "utf8.h"
  19
  20static const char cut_line[] =
  21"------------------------ >8 ------------------------\n";
  22
  23static char default_wt_status_colors[][COLOR_MAXLEN] = {
  24        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  25        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  26        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  27        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  28        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  29        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  30        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  31        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  32        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  33};
  34
  35static const char *color(int slot, struct wt_status *s)
  36{
  37        const char *c = "";
  38        if (want_color(s->use_color))
  39                c = s->color_palette[slot];
  40        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  41                c = s->color_palette[WT_STATUS_HEADER];
  42        return c;
  43}
  44
  45static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  46                const char *fmt, va_list ap, const char *trail)
  47{
  48        struct strbuf sb = STRBUF_INIT;
  49        struct strbuf linebuf = STRBUF_INIT;
  50        const char *line, *eol;
  51
  52        strbuf_vaddf(&sb, fmt, ap);
  53        if (!sb.len) {
  54                if (s->display_comment_prefix) {
  55                        strbuf_addch(&sb, comment_line_char);
  56                        if (!trail)
  57                                strbuf_addch(&sb, ' ');
  58                }
  59                color_print_strbuf(s->fp, color, &sb);
  60                if (trail)
  61                        fprintf(s->fp, "%s", trail);
  62                strbuf_release(&sb);
  63                return;
  64        }
  65        for (line = sb.buf; *line; line = eol + 1) {
  66                eol = strchr(line, '\n');
  67
  68                strbuf_reset(&linebuf);
  69                if (at_bol && s->display_comment_prefix) {
  70                        strbuf_addch(&linebuf, comment_line_char);
  71                        if (*line != '\n' && *line != '\t')
  72                                strbuf_addch(&linebuf, ' ');
  73                }
  74                if (eol)
  75                        strbuf_add(&linebuf, line, eol - line);
  76                else
  77                        strbuf_addstr(&linebuf, line);
  78                color_print_strbuf(s->fp, color, &linebuf);
  79                if (eol)
  80                        fprintf(s->fp, "\n");
  81                else
  82                        break;
  83                at_bol = 1;
  84        }
  85        if (trail)
  86                fprintf(s->fp, "%s", trail);
  87        strbuf_release(&linebuf);
  88        strbuf_release(&sb);
  89}
  90
  91void status_printf_ln(struct wt_status *s, const char *color,
  92                        const char *fmt, ...)
  93{
  94        va_list ap;
  95
  96        va_start(ap, fmt);
  97        status_vprintf(s, 1, color, fmt, ap, "\n");
  98        va_end(ap);
  99}
 100
 101void status_printf(struct wt_status *s, const char *color,
 102                        const char *fmt, ...)
 103{
 104        va_list ap;
 105
 106        va_start(ap, fmt);
 107        status_vprintf(s, 1, color, fmt, ap, NULL);
 108        va_end(ap);
 109}
 110
 111static void status_printf_more(struct wt_status *s, const char *color,
 112                               const char *fmt, ...)
 113{
 114        va_list ap;
 115
 116        va_start(ap, fmt);
 117        status_vprintf(s, 0, color, fmt, ap, NULL);
 118        va_end(ap);
 119}
 120
 121void wt_status_prepare(struct wt_status *s)
 122{
 123        unsigned char sha1[20];
 124
 125        memset(s, 0, sizeof(*s));
 126        memcpy(s->color_palette, default_wt_status_colors,
 127               sizeof(default_wt_status_colors));
 128        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 129        s->use_color = -1;
 130        s->relative_paths = 1;
 131        s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 132        s->reference = "HEAD";
 133        s->fp = stdout;
 134        s->index_file = get_index_file();
 135        s->change.strdup_strings = 1;
 136        s->untracked.strdup_strings = 1;
 137        s->ignored.strdup_strings = 1;
 138        s->show_branch = -1;  /* unspecified */
 139        s->display_comment_prefix = 0;
 140}
 141
 142static void wt_status_print_unmerged_header(struct wt_status *s)
 143{
 144        int i;
 145        int del_mod_conflict = 0;
 146        int both_deleted = 0;
 147        int not_deleted = 0;
 148        const char *c = color(WT_STATUS_HEADER, s);
 149
 150        status_printf_ln(s, c, _("Unmerged paths:"));
 151
 152        for (i = 0; i < s->change.nr; i++) {
 153                struct string_list_item *it = &(s->change.items[i]);
 154                struct wt_status_change_data *d = it->util;
 155
 156                switch (d->stagemask) {
 157                case 0:
 158                        break;
 159                case 1:
 160                        both_deleted = 1;
 161                        break;
 162                case 3:
 163                case 5:
 164                        del_mod_conflict = 1;
 165                        break;
 166                default:
 167                        not_deleted = 1;
 168                        break;
 169                }
 170        }
 171
 172        if (!s->hints)
 173                return;
 174        if (s->whence != FROM_COMMIT)
 175                ;
 176        else if (!s->is_initial)
 177                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 178        else
 179                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 180
 181        if (!both_deleted) {
 182                if (!del_mod_conflict)
 183                        status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 184                else
 185                        status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 186        } else if (!del_mod_conflict && !not_deleted) {
 187                status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 188        } else {
 189                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 190        }
 191        status_printf_ln(s, c, "%s", "");
 192}
 193
 194static void wt_status_print_cached_header(struct wt_status *s)
 195{
 196        const char *c = color(WT_STATUS_HEADER, s);
 197
 198        status_printf_ln(s, c, _("Changes to be committed:"));
 199        if (!s->hints)
 200                return;
 201        if (s->whence != FROM_COMMIT)
 202                ; /* NEEDSWORK: use "git reset --unresolve"??? */
 203        else if (!s->is_initial)
 204                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 205        else
 206                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 207        status_printf_ln(s, c, "%s", "");
 208}
 209
 210static void wt_status_print_dirty_header(struct wt_status *s,
 211                                         int has_deleted,
 212                                         int has_dirty_submodules)
 213{
 214        const char *c = color(WT_STATUS_HEADER, s);
 215
 216        status_printf_ln(s, c, _("Changes not staged for commit:"));
 217        if (!s->hints)
 218                return;
 219        if (!has_deleted)
 220                status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 221        else
 222                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 223        status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 224        if (has_dirty_submodules)
 225                status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 226        status_printf_ln(s, c, "%s", "");
 227}
 228
 229static void wt_status_print_other_header(struct wt_status *s,
 230                                         const char *what,
 231                                         const char *how)
 232{
 233        const char *c = color(WT_STATUS_HEADER, s);
 234        status_printf_ln(s, c, "%s:", what);
 235        if (!s->hints)
 236                return;
 237        status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 238        status_printf_ln(s, c, "%s", "");
 239}
 240
 241static void wt_status_print_trailer(struct wt_status *s)
 242{
 243        status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
 244}
 245
 246#define quote_path quote_path_relative
 247
 248static const char *wt_status_unmerged_status_string(int stagemask)
 249{
 250        switch (stagemask) {
 251        case 1:
 252                return _("both deleted:");
 253        case 2:
 254                return _("added by us:");
 255        case 3:
 256                return _("deleted by them:");
 257        case 4:
 258                return _("added by them:");
 259        case 5:
 260                return _("deleted by us:");
 261        case 6:
 262                return _("both added:");
 263        case 7:
 264                return _("both modified:");
 265        default:
 266                die(_("bug: unhandled unmerged status %x"), stagemask);
 267        }
 268}
 269
 270static const char *wt_status_diff_status_string(int status)
 271{
 272        switch (status) {
 273        case DIFF_STATUS_ADDED:
 274                return _("new file:");
 275        case DIFF_STATUS_COPIED:
 276                return _("copied:");
 277        case DIFF_STATUS_DELETED:
 278                return _("deleted:");
 279        case DIFF_STATUS_MODIFIED:
 280                return _("modified:");
 281        case DIFF_STATUS_RENAMED:
 282                return _("renamed:");
 283        case DIFF_STATUS_TYPE_CHANGED:
 284                return _("typechange:");
 285        case DIFF_STATUS_UNKNOWN:
 286                return _("unknown:");
 287        case DIFF_STATUS_UNMERGED:
 288                return _("unmerged:");
 289        default:
 290                return NULL;
 291        }
 292}
 293
 294static int maxwidth(const char *(*label)(int), int minval, int maxval)
 295{
 296        int result = 0, i;
 297
 298        for (i = minval; i <= maxval; i++) {
 299                const char *s = label(i);
 300                int len = s ? utf8_strwidth(s) : 0;
 301                if (len > result)
 302                        result = len;
 303        }
 304        return result;
 305}
 306
 307static void wt_status_print_unmerged_data(struct wt_status *s,
 308                                          struct string_list_item *it)
 309{
 310        const char *c = color(WT_STATUS_UNMERGED, s);
 311        struct wt_status_change_data *d = it->util;
 312        struct strbuf onebuf = STRBUF_INIT;
 313        static char *padding;
 314        static int label_width;
 315        const char *one, *how;
 316        int len;
 317
 318        if (!padding) {
 319                label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
 320                label_width += strlen(" ");
 321                padding = xmallocz(label_width);
 322                memset(padding, ' ', label_width);
 323        }
 324
 325        one = quote_path(it->string, s->prefix, &onebuf);
 326        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 327
 328        how = wt_status_unmerged_status_string(d->stagemask);
 329        len = label_width - utf8_strwidth(how);
 330        status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
 331        strbuf_release(&onebuf);
 332}
 333
 334static void wt_status_print_change_data(struct wt_status *s,
 335                                        int change_type,
 336                                        struct string_list_item *it)
 337{
 338        struct wt_status_change_data *d = it->util;
 339        const char *c = color(change_type, s);
 340        int status;
 341        char *one_name;
 342        char *two_name;
 343        const char *one, *two;
 344        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 345        struct strbuf extra = STRBUF_INIT;
 346        static char *padding;
 347        static int label_width;
 348        const char *what;
 349        int len;
 350
 351        if (!padding) {
 352                /* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
 353                label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
 354                label_width += strlen(" ");
 355                padding = xmallocz(label_width);
 356                memset(padding, ' ', label_width);
 357        }
 358
 359        one_name = two_name = it->string;
 360        switch (change_type) {
 361        case WT_STATUS_UPDATED:
 362                status = d->index_status;
 363                if (d->head_path)
 364                        one_name = d->head_path;
 365                break;
 366        case WT_STATUS_CHANGED:
 367                if (d->new_submodule_commits || d->dirty_submodule) {
 368                        strbuf_addstr(&extra, " (");
 369                        if (d->new_submodule_commits)
 370                                strbuf_addf(&extra, _("new commits, "));
 371                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 372                                strbuf_addf(&extra, _("modified content, "));
 373                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 374                                strbuf_addf(&extra, _("untracked content, "));
 375                        strbuf_setlen(&extra, extra.len - 2);
 376                        strbuf_addch(&extra, ')');
 377                }
 378                status = d->worktree_status;
 379                break;
 380        default:
 381                die("BUG: unhandled change_type %d in wt_status_print_change_data",
 382                    change_type);
 383        }
 384
 385        one = quote_path(one_name, s->prefix, &onebuf);
 386        two = quote_path(two_name, s->prefix, &twobuf);
 387
 388        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 389        what = wt_status_diff_status_string(status);
 390        if (!what)
 391                die(_("bug: unhandled diff status %c"), status);
 392        len = label_width - utf8_strwidth(what);
 393        assert(len >= 0);
 394        if (status == DIFF_STATUS_COPIED || status == DIFF_STATUS_RENAMED)
 395                status_printf_more(s, c, "%s%.*s%s -> %s",
 396                                   what, len, padding, one, two);
 397        else
 398                status_printf_more(s, c, "%s%.*s%s",
 399                                   what, len, padding, one);
 400        if (extra.len) {
 401                status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 402                strbuf_release(&extra);
 403        }
 404        status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 405        strbuf_release(&onebuf);
 406        strbuf_release(&twobuf);
 407}
 408
 409static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 410                                         struct diff_options *options,
 411                                         void *data)
 412{
 413        struct wt_status *s = data;
 414        int i;
 415
 416        if (!q->nr)
 417                return;
 418        s->workdir_dirty = 1;
 419        for (i = 0; i < q->nr; i++) {
 420                struct diff_filepair *p;
 421                struct string_list_item *it;
 422                struct wt_status_change_data *d;
 423
 424                p = q->queue[i];
 425                it = string_list_insert(&s->change, p->one->path);
 426                d = it->util;
 427                if (!d) {
 428                        d = xcalloc(1, sizeof(*d));
 429                        it->util = d;
 430                }
 431                if (!d->worktree_status)
 432                        d->worktree_status = p->status;
 433                d->dirty_submodule = p->two->dirty_submodule;
 434                if (S_ISGITLINK(p->two->mode))
 435                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 436        }
 437}
 438
 439static int unmerged_mask(const char *path)
 440{
 441        int pos, mask;
 442        const struct cache_entry *ce;
 443
 444        pos = cache_name_pos(path, strlen(path));
 445        if (0 <= pos)
 446                return 0;
 447
 448        mask = 0;
 449        pos = -pos-1;
 450        while (pos < active_nr) {
 451                ce = active_cache[pos++];
 452                if (strcmp(ce->name, path) || !ce_stage(ce))
 453                        break;
 454                mask |= (1 << (ce_stage(ce) - 1));
 455        }
 456        return mask;
 457}
 458
 459static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 460                                         struct diff_options *options,
 461                                         void *data)
 462{
 463        struct wt_status *s = data;
 464        int i;
 465
 466        for (i = 0; i < q->nr; i++) {
 467                struct diff_filepair *p;
 468                struct string_list_item *it;
 469                struct wt_status_change_data *d;
 470
 471                p = q->queue[i];
 472                it = string_list_insert(&s->change, p->two->path);
 473                d = it->util;
 474                if (!d) {
 475                        d = xcalloc(1, sizeof(*d));
 476                        it->util = d;
 477                }
 478                if (!d->index_status)
 479                        d->index_status = p->status;
 480                switch (p->status) {
 481                case DIFF_STATUS_COPIED:
 482                case DIFF_STATUS_RENAMED:
 483                        d->head_path = xstrdup(p->one->path);
 484                        break;
 485                case DIFF_STATUS_UNMERGED:
 486                        d->stagemask = unmerged_mask(p->two->path);
 487                        break;
 488                }
 489        }
 490}
 491
 492static void wt_status_collect_changes_worktree(struct wt_status *s)
 493{
 494        struct rev_info rev;
 495
 496        init_revisions(&rev, NULL);
 497        setup_revisions(0, NULL, &rev, NULL);
 498        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 499        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 500        if (!s->show_untracked_files)
 501                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 502        if (s->ignore_submodule_arg) {
 503                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 504                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 505        }
 506        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 507        rev.diffopt.format_callback_data = s;
 508        copy_pathspec(&rev.prune_data, &s->pathspec);
 509        run_diff_files(&rev, 0);
 510}
 511
 512static void wt_status_collect_changes_index(struct wt_status *s)
 513{
 514        struct rev_info rev;
 515        struct setup_revision_opt opt;
 516
 517        init_revisions(&rev, NULL);
 518        memset(&opt, 0, sizeof(opt));
 519        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 520        setup_revisions(0, NULL, &rev, &opt);
 521
 522        DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 523        if (s->ignore_submodule_arg) {
 524                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 525        } else {
 526                /*
 527                 * Unless the user did explicitly request a submodule ignore
 528                 * mode by passing a command line option we do not ignore any
 529                 * changed submodule SHA-1s when comparing index and HEAD, no
 530                 * matter what is configured. Otherwise the user won't be
 531                 * shown any submodules she manually added (and which are
 532                 * staged to be committed), which would be really confusing.
 533                 */
 534                handle_ignore_submodules_arg(&rev.diffopt, "dirty");
 535        }
 536
 537        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 538        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 539        rev.diffopt.format_callback_data = s;
 540        rev.diffopt.detect_rename = 1;
 541        rev.diffopt.rename_limit = 200;
 542        rev.diffopt.break_opt = 0;
 543        copy_pathspec(&rev.prune_data, &s->pathspec);
 544        run_diff_index(&rev, 1);
 545}
 546
 547static void wt_status_collect_changes_initial(struct wt_status *s)
 548{
 549        int i;
 550
 551        for (i = 0; i < active_nr; i++) {
 552                struct string_list_item *it;
 553                struct wt_status_change_data *d;
 554                const struct cache_entry *ce = active_cache[i];
 555
 556                if (!ce_path_match(ce, &s->pathspec, NULL))
 557                        continue;
 558                it = string_list_insert(&s->change, ce->name);
 559                d = it->util;
 560                if (!d) {
 561                        d = xcalloc(1, sizeof(*d));
 562                        it->util = d;
 563                }
 564                if (ce_stage(ce)) {
 565                        d->index_status = DIFF_STATUS_UNMERGED;
 566                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 567                }
 568                else
 569                        d->index_status = DIFF_STATUS_ADDED;
 570        }
 571}
 572
 573static void wt_status_collect_untracked(struct wt_status *s)
 574{
 575        int i;
 576        struct dir_struct dir;
 577        struct timeval t_begin;
 578
 579        if (!s->show_untracked_files)
 580                return;
 581
 582        if (advice_status_u_option)
 583                gettimeofday(&t_begin, NULL);
 584
 585        memset(&dir, 0, sizeof(dir));
 586        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 587                dir.flags |=
 588                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 589        if (s->show_ignored_files)
 590                dir.flags |= DIR_SHOW_IGNORED_TOO;
 591        setup_standard_excludes(&dir);
 592
 593        fill_directory(&dir, &s->pathspec);
 594
 595        for (i = 0; i < dir.nr; i++) {
 596                struct dir_entry *ent = dir.entries[i];
 597                if (cache_name_is_other(ent->name, ent->len) &&
 598                    dir_path_match(ent, &s->pathspec, 0, NULL))
 599                        string_list_insert(&s->untracked, ent->name);
 600                free(ent);
 601        }
 602
 603        for (i = 0; i < dir.ignored_nr; i++) {
 604                struct dir_entry *ent = dir.ignored[i];
 605                if (cache_name_is_other(ent->name, ent->len) &&
 606                    dir_path_match(ent, &s->pathspec, 0, NULL))
 607                        string_list_insert(&s->ignored, ent->name);
 608                free(ent);
 609        }
 610
 611        free(dir.entries);
 612        free(dir.ignored);
 613        clear_directory(&dir);
 614
 615        if (advice_status_u_option) {
 616                struct timeval t_end;
 617                gettimeofday(&t_end, NULL);
 618                s->untracked_in_ms =
 619                        (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 620                        ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 621        }
 622}
 623
 624void wt_status_collect(struct wt_status *s)
 625{
 626        wt_status_collect_changes_worktree(s);
 627
 628        if (s->is_initial)
 629                wt_status_collect_changes_initial(s);
 630        else
 631                wt_status_collect_changes_index(s);
 632        wt_status_collect_untracked(s);
 633}
 634
 635static void wt_status_print_unmerged(struct wt_status *s)
 636{
 637        int shown_header = 0;
 638        int i;
 639
 640        for (i = 0; i < s->change.nr; i++) {
 641                struct wt_status_change_data *d;
 642                struct string_list_item *it;
 643                it = &(s->change.items[i]);
 644                d = it->util;
 645                if (!d->stagemask)
 646                        continue;
 647                if (!shown_header) {
 648                        wt_status_print_unmerged_header(s);
 649                        shown_header = 1;
 650                }
 651                wt_status_print_unmerged_data(s, it);
 652        }
 653        if (shown_header)
 654                wt_status_print_trailer(s);
 655
 656}
 657
 658static void wt_status_print_updated(struct wt_status *s)
 659{
 660        int shown_header = 0;
 661        int i;
 662
 663        for (i = 0; i < s->change.nr; i++) {
 664                struct wt_status_change_data *d;
 665                struct string_list_item *it;
 666                it = &(s->change.items[i]);
 667                d = it->util;
 668                if (!d->index_status ||
 669                    d->index_status == DIFF_STATUS_UNMERGED)
 670                        continue;
 671                if (!shown_header) {
 672                        wt_status_print_cached_header(s);
 673                        s->commitable = 1;
 674                        shown_header = 1;
 675                }
 676                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 677        }
 678        if (shown_header)
 679                wt_status_print_trailer(s);
 680}
 681
 682/*
 683 * -1 : has delete
 684 *  0 : no change
 685 *  1 : some change but no delete
 686 */
 687static int wt_status_check_worktree_changes(struct wt_status *s,
 688                                             int *dirty_submodules)
 689{
 690        int i;
 691        int changes = 0;
 692
 693        *dirty_submodules = 0;
 694
 695        for (i = 0; i < s->change.nr; i++) {
 696                struct wt_status_change_data *d;
 697                d = s->change.items[i].util;
 698                if (!d->worktree_status ||
 699                    d->worktree_status == DIFF_STATUS_UNMERGED)
 700                        continue;
 701                if (!changes)
 702                        changes = 1;
 703                if (d->dirty_submodule)
 704                        *dirty_submodules = 1;
 705                if (d->worktree_status == DIFF_STATUS_DELETED)
 706                        changes = -1;
 707        }
 708        return changes;
 709}
 710
 711static void wt_status_print_changed(struct wt_status *s)
 712{
 713        int i, dirty_submodules;
 714        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 715
 716        if (!worktree_changes)
 717                return;
 718
 719        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 720
 721        for (i = 0; i < s->change.nr; i++) {
 722                struct wt_status_change_data *d;
 723                struct string_list_item *it;
 724                it = &(s->change.items[i]);
 725                d = it->util;
 726                if (!d->worktree_status ||
 727                    d->worktree_status == DIFF_STATUS_UNMERGED)
 728                        continue;
 729                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 730        }
 731        wt_status_print_trailer(s);
 732}
 733
 734static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 735{
 736        struct child_process sm_summary;
 737        struct argv_array env = ARGV_ARRAY_INIT;
 738        struct argv_array argv = ARGV_ARRAY_INIT;
 739        struct strbuf cmd_stdout = STRBUF_INIT;
 740        struct strbuf summary = STRBUF_INIT;
 741        char *summary_content;
 742        size_t len;
 743
 744        argv_array_pushf(&env, "GIT_INDEX_FILE=%s", s->index_file);
 745
 746        argv_array_push(&argv, "submodule");
 747        argv_array_push(&argv, "summary");
 748        argv_array_push(&argv, uncommitted ? "--files" : "--cached");
 749        argv_array_push(&argv, "--for-status");
 750        argv_array_push(&argv, "--summary-limit");
 751        argv_array_pushf(&argv, "%d", s->submodule_summary);
 752        if (!uncommitted)
 753                argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 754
 755        memset(&sm_summary, 0, sizeof(sm_summary));
 756        sm_summary.argv = argv.argv;
 757        sm_summary.env = env.argv;
 758        sm_summary.git_cmd = 1;
 759        sm_summary.no_stdin = 1;
 760        fflush(s->fp);
 761        sm_summary.out = -1;
 762
 763        run_command(&sm_summary);
 764        argv_array_clear(&env);
 765        argv_array_clear(&argv);
 766
 767        len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 768
 769        /* prepend header, only if there's an actual output */
 770        if (len) {
 771                if (uncommitted)
 772                        strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 773                else
 774                        strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 775                strbuf_addstr(&summary, "\n\n");
 776        }
 777        strbuf_addbuf(&summary, &cmd_stdout);
 778        strbuf_release(&cmd_stdout);
 779
 780        if (s->display_comment_prefix) {
 781                summary_content = strbuf_detach(&summary, &len);
 782                strbuf_add_commented_lines(&summary, summary_content, len);
 783                free(summary_content);
 784        }
 785
 786        fputs(summary.buf, s->fp);
 787        strbuf_release(&summary);
 788}
 789
 790static void wt_status_print_other(struct wt_status *s,
 791                                  struct string_list *l,
 792                                  const char *what,
 793                                  const char *how)
 794{
 795        int i;
 796        struct strbuf buf = STRBUF_INIT;
 797        static struct string_list output = STRING_LIST_INIT_DUP;
 798        struct column_options copts;
 799
 800        if (!l->nr)
 801                return;
 802
 803        wt_status_print_other_header(s, what, how);
 804
 805        for (i = 0; i < l->nr; i++) {
 806                struct string_list_item *it;
 807                const char *path;
 808                it = &(l->items[i]);
 809                path = quote_path(it->string, s->prefix, &buf);
 810                if (column_active(s->colopts)) {
 811                        string_list_append(&output, path);
 812                        continue;
 813                }
 814                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 815                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 816                                   "%s\n", path);
 817        }
 818
 819        strbuf_release(&buf);
 820        if (!column_active(s->colopts))
 821                goto conclude;
 822
 823        strbuf_addf(&buf, "%s%s\t%s",
 824                    color(WT_STATUS_HEADER, s),
 825                    s->display_comment_prefix ? "#" : "",
 826                    color(WT_STATUS_UNTRACKED, s));
 827        memset(&copts, 0, sizeof(copts));
 828        copts.padding = 1;
 829        copts.indent = buf.buf;
 830        if (want_color(s->use_color))
 831                copts.nl = GIT_COLOR_RESET "\n";
 832        print_columns(&output, s->colopts, &copts);
 833        string_list_clear(&output, 0);
 834        strbuf_release(&buf);
 835conclude:
 836        status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
 837}
 838
 839void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
 840{
 841        const char *p;
 842        struct strbuf pattern = STRBUF_INIT;
 843
 844        strbuf_addf(&pattern, "%c %s", comment_line_char, cut_line);
 845        p = strstr(buf->buf, pattern.buf);
 846        if (p && (p == buf->buf || p[-1] == '\n'))
 847                strbuf_setlen(buf, p - buf->buf);
 848        strbuf_release(&pattern);
 849}
 850
 851void wt_status_add_cut_line(FILE *fp)
 852{
 853        const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
 854        struct strbuf buf = STRBUF_INIT;
 855
 856        fprintf(fp, "%c %s", comment_line_char, cut_line);
 857        strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
 858        fputs(buf.buf, fp);
 859        strbuf_release(&buf);
 860}
 861
 862static void wt_status_print_verbose(struct wt_status *s)
 863{
 864        struct rev_info rev;
 865        struct setup_revision_opt opt;
 866
 867        init_revisions(&rev, NULL);
 868        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 869
 870        memset(&opt, 0, sizeof(opt));
 871        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 872        setup_revisions(0, NULL, &rev, &opt);
 873
 874        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 875        rev.diffopt.detect_rename = 1;
 876        rev.diffopt.file = s->fp;
 877        rev.diffopt.close_file = 0;
 878        /*
 879         * If we're not going to stdout, then we definitely don't
 880         * want color, since we are going to the commit message
 881         * file (and even the "auto" setting won't work, since it
 882         * will have checked isatty on stdout). But we then do want
 883         * to insert the scissor line here to reliably remove the
 884         * diff before committing.
 885         */
 886        if (s->fp != stdout) {
 887                rev.diffopt.use_color = 0;
 888                wt_status_add_cut_line(s->fp);
 889        }
 890        run_diff_index(&rev, 1);
 891}
 892
 893static void wt_status_print_tracking(struct wt_status *s)
 894{
 895        struct strbuf sb = STRBUF_INIT;
 896        const char *cp, *ep;
 897        struct branch *branch;
 898        char comment_line_string[3];
 899        int i;
 900
 901        assert(s->branch && !s->is_initial);
 902        if (!starts_with(s->branch, "refs/heads/"))
 903                return;
 904        branch = branch_get(s->branch + 11);
 905        if (!format_tracking_info(branch, &sb))
 906                return;
 907
 908        i = 0;
 909        if (s->display_comment_prefix) {
 910                comment_line_string[i++] = comment_line_char;
 911                comment_line_string[i++] = ' ';
 912        }
 913        comment_line_string[i] = '\0';
 914
 915        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 916                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 917                                 "%s%.*s", comment_line_string,
 918                                 (int)(ep - cp), cp);
 919        if (s->display_comment_prefix)
 920                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 921                                 comment_line_char);
 922        else
 923                fputs("", s->fp);
 924}
 925
 926static int has_unmerged(struct wt_status *s)
 927{
 928        int i;
 929
 930        for (i = 0; i < s->change.nr; i++) {
 931                struct wt_status_change_data *d;
 932                d = s->change.items[i].util;
 933                if (d->stagemask)
 934                        return 1;
 935        }
 936        return 0;
 937}
 938
 939static void show_merge_in_progress(struct wt_status *s,
 940                                struct wt_status_state *state,
 941                                const char *color)
 942{
 943        if (has_unmerged(s)) {
 944                status_printf_ln(s, color, _("You have unmerged paths."));
 945                if (s->hints)
 946                        status_printf_ln(s, color,
 947                                _("  (fix conflicts and run \"git commit\")"));
 948        } else {
 949                status_printf_ln(s, color,
 950                        _("All conflicts fixed but you are still merging."));
 951                if (s->hints)
 952                        status_printf_ln(s, color,
 953                                _("  (use \"git commit\" to conclude merge)"));
 954        }
 955        wt_status_print_trailer(s);
 956}
 957
 958static void show_am_in_progress(struct wt_status *s,
 959                                struct wt_status_state *state,
 960                                const char *color)
 961{
 962        status_printf_ln(s, color,
 963                _("You are in the middle of an am session."));
 964        if (state->am_empty_patch)
 965                status_printf_ln(s, color,
 966                        _("The current patch is empty."));
 967        if (s->hints) {
 968                if (!state->am_empty_patch)
 969                        status_printf_ln(s, color,
 970                                _("  (fix conflicts and then run \"git am --continue\")"));
 971                status_printf_ln(s, color,
 972                        _("  (use \"git am --skip\" to skip this patch)"));
 973                status_printf_ln(s, color,
 974                        _("  (use \"git am --abort\" to restore the original branch)"));
 975        }
 976        wt_status_print_trailer(s);
 977}
 978
 979static char *read_line_from_git_path(const char *filename)
 980{
 981        struct strbuf buf = STRBUF_INIT;
 982        FILE *fp = fopen(git_path("%s", filename), "r");
 983        if (!fp) {
 984                strbuf_release(&buf);
 985                return NULL;
 986        }
 987        strbuf_getline(&buf, fp, '\n');
 988        if (!fclose(fp)) {
 989                return strbuf_detach(&buf, NULL);
 990        } else {
 991                strbuf_release(&buf);
 992                return NULL;
 993        }
 994}
 995
 996static int split_commit_in_progress(struct wt_status *s)
 997{
 998        int split_in_progress = 0;
 999        char *head = read_line_from_git_path("HEAD");
1000        char *orig_head = read_line_from_git_path("ORIG_HEAD");
1001        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
1002        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
1003
1004        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
1005            !s->branch || strcmp(s->branch, "HEAD"))
1006                return split_in_progress;
1007
1008        if (!strcmp(rebase_amend, rebase_orig_head)) {
1009                if (strcmp(head, rebase_amend))
1010                        split_in_progress = 1;
1011        } else if (strcmp(orig_head, rebase_orig_head)) {
1012                split_in_progress = 1;
1013        }
1014
1015        if (!s->amend && !s->nowarn && !s->workdir_dirty)
1016                split_in_progress = 0;
1017
1018        free(head);
1019        free(orig_head);
1020        free(rebase_amend);
1021        free(rebase_orig_head);
1022        return split_in_progress;
1023}
1024
1025static void show_rebase_in_progress(struct wt_status *s,
1026                                struct wt_status_state *state,
1027                                const char *color)
1028{
1029        struct stat st;
1030
1031        if (has_unmerged(s)) {
1032                if (state->branch)
1033                        status_printf_ln(s, color,
1034                                         _("You are currently rebasing branch '%s' on '%s'."),
1035                                         state->branch,
1036                                         state->onto);
1037                else
1038                        status_printf_ln(s, color,
1039                                         _("You are currently rebasing."));
1040                if (s->hints) {
1041                        status_printf_ln(s, color,
1042                                _("  (fix conflicts and then run \"git rebase --continue\")"));
1043                        status_printf_ln(s, color,
1044                                _("  (use \"git rebase --skip\" to skip this patch)"));
1045                        status_printf_ln(s, color,
1046                                _("  (use \"git rebase --abort\" to check out the original branch)"));
1047                }
1048        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
1049                if (state->branch)
1050                        status_printf_ln(s, color,
1051                                         _("You are currently rebasing branch '%s' on '%s'."),
1052                                         state->branch,
1053                                         state->onto);
1054                else
1055                        status_printf_ln(s, color,
1056                                         _("You are currently rebasing."));
1057                if (s->hints)
1058                        status_printf_ln(s, color,
1059                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
1060        } else if (split_commit_in_progress(s)) {
1061                if (state->branch)
1062                        status_printf_ln(s, color,
1063                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1064                                         state->branch,
1065                                         state->onto);
1066                else
1067                        status_printf_ln(s, color,
1068                                         _("You are currently splitting a commit during a rebase."));
1069                if (s->hints)
1070                        status_printf_ln(s, color,
1071                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
1072        } else {
1073                if (state->branch)
1074                        status_printf_ln(s, color,
1075                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1076                                         state->branch,
1077                                         state->onto);
1078                else
1079                        status_printf_ln(s, color,
1080                                         _("You are currently editing a commit during a rebase."));
1081                if (s->hints && !s->amend) {
1082                        status_printf_ln(s, color,
1083                                _("  (use \"git commit --amend\" to amend the current commit)"));
1084                        status_printf_ln(s, color,
1085                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
1086                }
1087        }
1088        wt_status_print_trailer(s);
1089}
1090
1091static void show_cherry_pick_in_progress(struct wt_status *s,
1092                                        struct wt_status_state *state,
1093                                        const char *color)
1094{
1095        status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1096                        find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1097        if (s->hints) {
1098                if (has_unmerged(s))
1099                        status_printf_ln(s, color,
1100                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
1101                else
1102                        status_printf_ln(s, color,
1103                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
1104                status_printf_ln(s, color,
1105                        _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1106        }
1107        wt_status_print_trailer(s);
1108}
1109
1110static void show_revert_in_progress(struct wt_status *s,
1111                                        struct wt_status_state *state,
1112                                        const char *color)
1113{
1114        status_printf_ln(s, color, _("You are currently reverting commit %s."),
1115                         find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1116        if (s->hints) {
1117                if (has_unmerged(s))
1118                        status_printf_ln(s, color,
1119                                _("  (fix conflicts and run \"git revert --continue\")"));
1120                else
1121                        status_printf_ln(s, color,
1122                                _("  (all conflicts fixed: run \"git revert --continue\")"));
1123                status_printf_ln(s, color,
1124                        _("  (use \"git revert --abort\" to cancel the revert operation)"));
1125        }
1126        wt_status_print_trailer(s);
1127}
1128
1129static void show_bisect_in_progress(struct wt_status *s,
1130                                struct wt_status_state *state,
1131                                const char *color)
1132{
1133        if (state->branch)
1134                status_printf_ln(s, color,
1135                                 _("You are currently bisecting, started from branch '%s'."),
1136                                 state->branch);
1137        else
1138                status_printf_ln(s, color,
1139                                 _("You are currently bisecting."));
1140        if (s->hints)
1141                status_printf_ln(s, color,
1142                        _("  (use \"git bisect reset\" to get back to the original branch)"));
1143        wt_status_print_trailer(s);
1144}
1145
1146/*
1147 * Extract branch information from rebase/bisect
1148 */
1149static char *read_and_strip_branch(const char *path)
1150{
1151        struct strbuf sb = STRBUF_INIT;
1152        unsigned char sha1[20];
1153
1154        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1155                goto got_nothing;
1156
1157        while (&sb.len && sb.buf[sb.len - 1] == '\n')
1158                strbuf_setlen(&sb, sb.len - 1);
1159        if (!sb.len)
1160                goto got_nothing;
1161        if (starts_with(sb.buf, "refs/heads/"))
1162                strbuf_remove(&sb,0, strlen("refs/heads/"));
1163        else if (starts_with(sb.buf, "refs/"))
1164                ;
1165        else if (!get_sha1_hex(sb.buf, sha1)) {
1166                const char *abbrev;
1167                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1168                strbuf_reset(&sb);
1169                strbuf_addstr(&sb, abbrev);
1170        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1171                goto got_nothing;
1172        else                    /* bisect */
1173                ;
1174        return strbuf_detach(&sb, NULL);
1175
1176got_nothing:
1177        strbuf_release(&sb);
1178        return NULL;
1179}
1180
1181struct grab_1st_switch_cbdata {
1182        struct strbuf buf;
1183        unsigned char nsha1[20];
1184};
1185
1186static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1187                           const char *email, unsigned long timestamp, int tz,
1188                           const char *message, void *cb_data)
1189{
1190        struct grab_1st_switch_cbdata *cb = cb_data;
1191        const char *target = NULL, *end;
1192
1193        if (!starts_with(message, "checkout: moving from "))
1194                return 0;
1195        message += strlen("checkout: moving from ");
1196        target = strstr(message, " to ");
1197        if (!target)
1198                return 0;
1199        target += strlen(" to ");
1200        strbuf_reset(&cb->buf);
1201        hashcpy(cb->nsha1, nsha1);
1202        for (end = target; *end && *end != '\n'; end++)
1203                ;
1204        strbuf_add(&cb->buf, target, end - target);
1205        return 1;
1206}
1207
1208static void wt_status_get_detached_from(struct wt_status_state *state)
1209{
1210        struct grab_1st_switch_cbdata cb;
1211        struct commit *commit;
1212        unsigned char sha1[20];
1213        char *ref = NULL;
1214
1215        strbuf_init(&cb.buf, 0);
1216        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1217                strbuf_release(&cb.buf);
1218                return;
1219        }
1220
1221        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1222            /* sha1 is a commit? match without further lookup */
1223            (!hashcmp(cb.nsha1, sha1) ||
1224             /* perhaps sha1 is a tag, try to dereference to a commit */
1225             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1226              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1227                int ofs;
1228                if (starts_with(ref, "refs/tags/"))
1229                        ofs = strlen("refs/tags/");
1230                else if (starts_with(ref, "refs/remotes/"))
1231                        ofs = strlen("refs/remotes/");
1232                else
1233                        ofs = 0;
1234                state->detached_from = xstrdup(ref + ofs);
1235        } else
1236                state->detached_from =
1237                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1238        hashcpy(state->detached_sha1, cb.nsha1);
1239
1240        free(ref);
1241        strbuf_release(&cb.buf);
1242}
1243
1244void wt_status_get_state(struct wt_status_state *state,
1245                         int get_detached_from)
1246{
1247        struct stat st;
1248        unsigned char sha1[20];
1249
1250        if (!stat(git_path("MERGE_HEAD"), &st)) {
1251                state->merge_in_progress = 1;
1252        } else if (!stat(git_path("rebase-apply"), &st)) {
1253                if (!stat(git_path("rebase-apply/applying"), &st)) {
1254                        state->am_in_progress = 1;
1255                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1256                                state->am_empty_patch = 1;
1257                } else {
1258                        state->rebase_in_progress = 1;
1259                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1260                        state->onto = read_and_strip_branch("rebase-apply/onto");
1261                }
1262        } else if (!stat(git_path("rebase-merge"), &st)) {
1263                if (!stat(git_path("rebase-merge/interactive"), &st))
1264                        state->rebase_interactive_in_progress = 1;
1265                else
1266                        state->rebase_in_progress = 1;
1267                state->branch = read_and_strip_branch("rebase-merge/head-name");
1268                state->onto = read_and_strip_branch("rebase-merge/onto");
1269        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
1270                        !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1271                state->cherry_pick_in_progress = 1;
1272                hashcpy(state->cherry_pick_head_sha1, sha1);
1273        }
1274        if (!stat(git_path("BISECT_LOG"), &st)) {
1275                state->bisect_in_progress = 1;
1276                state->branch = read_and_strip_branch("BISECT_START");
1277        }
1278        if (!stat(git_path("REVERT_HEAD"), &st) &&
1279            !get_sha1("REVERT_HEAD", sha1)) {
1280                state->revert_in_progress = 1;
1281                hashcpy(state->revert_head_sha1, sha1);
1282        }
1283
1284        if (get_detached_from)
1285                wt_status_get_detached_from(state);
1286}
1287
1288static void wt_status_print_state(struct wt_status *s,
1289                                  struct wt_status_state *state)
1290{
1291        const char *state_color = color(WT_STATUS_HEADER, s);
1292        if (state->merge_in_progress)
1293                show_merge_in_progress(s, state, state_color);
1294        else if (state->am_in_progress)
1295                show_am_in_progress(s, state, state_color);
1296        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1297                show_rebase_in_progress(s, state, state_color);
1298        else if (state->cherry_pick_in_progress)
1299                show_cherry_pick_in_progress(s, state, state_color);
1300        else if (state->revert_in_progress)
1301                show_revert_in_progress(s, state, state_color);
1302        if (state->bisect_in_progress)
1303                show_bisect_in_progress(s, state, state_color);
1304}
1305
1306void wt_status_print(struct wt_status *s)
1307{
1308        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1309        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1310        struct wt_status_state state;
1311
1312        memset(&state, 0, sizeof(state));
1313        wt_status_get_state(&state,
1314                            s->branch && !strcmp(s->branch, "HEAD"));
1315
1316        if (s->branch) {
1317                const char *on_what = _("On branch ");
1318                const char *branch_name = s->branch;
1319                if (starts_with(branch_name, "refs/heads/"))
1320                        branch_name += 11;
1321                else if (!strcmp(branch_name, "HEAD")) {
1322                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1323                        if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1324                                on_what = _("rebase in progress; onto ");
1325                                branch_name = state.onto;
1326                        } else if (state.detached_from) {
1327                                unsigned char sha1[20];
1328                                branch_name = state.detached_from;
1329                                if (!get_sha1("HEAD", sha1) &&
1330                                    !hashcmp(sha1, state.detached_sha1))
1331                                        on_what = _("HEAD detached at ");
1332                                else
1333                                        on_what = _("HEAD detached from ");
1334                        } else {
1335                                branch_name = "";
1336                                on_what = _("Not currently on any branch.");
1337                        }
1338                }
1339                status_printf(s, color(WT_STATUS_HEADER, s), "%s", "");
1340                status_printf_more(s, branch_status_color, "%s", on_what);
1341                status_printf_more(s, branch_color, "%s\n", branch_name);
1342                if (!s->is_initial)
1343                        wt_status_print_tracking(s);
1344        }
1345
1346        wt_status_print_state(s, &state);
1347        free(state.branch);
1348        free(state.onto);
1349        free(state.detached_from);
1350
1351        if (s->is_initial) {
1352                status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1353                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1354                status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1355        }
1356
1357        wt_status_print_updated(s);
1358        wt_status_print_unmerged(s);
1359        wt_status_print_changed(s);
1360        if (s->submodule_summary &&
1361            (!s->ignore_submodule_arg ||
1362             strcmp(s->ignore_submodule_arg, "all"))) {
1363                wt_status_print_submodule_summary(s, 0);  /* staged */
1364                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1365        }
1366        if (s->show_untracked_files) {
1367                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1368                if (s->show_ignored_files)
1369                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1370                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1371                        status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1372                        status_printf_ln(s, GIT_COLOR_NORMAL,
1373                                         _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1374                                           "may speed it up, but you have to be careful not to forget to add\n"
1375                                           "new files yourself (see 'git help status')."),
1376                                         s->untracked_in_ms / 1000.0);
1377                }
1378        } else if (s->commitable)
1379                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1380                        s->hints
1381                        ? _(" (use -u option to show untracked files)") : "");
1382
1383        if (s->verbose)
1384                wt_status_print_verbose(s);
1385        if (!s->commitable) {
1386                if (s->amend)
1387                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1388                else if (s->nowarn)
1389                        ; /* nothing */
1390                else if (s->workdir_dirty) {
1391                        if (s->hints)
1392                                printf(_("no changes added to commit "
1393                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1394                        else
1395                                printf(_("no changes added to commit\n"));
1396                } else if (s->untracked.nr) {
1397                        if (s->hints)
1398                                printf(_("nothing added to commit but untracked files "
1399                                         "present (use \"git add\" to track)\n"));
1400                        else
1401                                printf(_("nothing added to commit but untracked files present\n"));
1402                } else if (s->is_initial) {
1403                        if (s->hints)
1404                                printf(_("nothing to commit (create/copy files "
1405                                         "and use \"git add\" to track)\n"));
1406                        else
1407                                printf(_("nothing to commit\n"));
1408                } else if (!s->show_untracked_files) {
1409                        if (s->hints)
1410                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1411                        else
1412                                printf(_("nothing to commit\n"));
1413                } else
1414                        printf(_("nothing to commit, working directory clean\n"));
1415        }
1416}
1417
1418static void wt_shortstatus_unmerged(struct string_list_item *it,
1419                           struct wt_status *s)
1420{
1421        struct wt_status_change_data *d = it->util;
1422        const char *how = "??";
1423
1424        switch (d->stagemask) {
1425        case 1: how = "DD"; break; /* both deleted */
1426        case 2: how = "AU"; break; /* added by us */
1427        case 3: how = "UD"; break; /* deleted by them */
1428        case 4: how = "UA"; break; /* added by them */
1429        case 5: how = "DU"; break; /* deleted by us */
1430        case 6: how = "AA"; break; /* both added */
1431        case 7: how = "UU"; break; /* both modified */
1432        }
1433        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1434        if (s->null_termination) {
1435                fprintf(stdout, " %s%c", it->string, 0);
1436        } else {
1437                struct strbuf onebuf = STRBUF_INIT;
1438                const char *one;
1439                one = quote_path(it->string, s->prefix, &onebuf);
1440                printf(" %s\n", one);
1441                strbuf_release(&onebuf);
1442        }
1443}
1444
1445static void wt_shortstatus_status(struct string_list_item *it,
1446                         struct wt_status *s)
1447{
1448        struct wt_status_change_data *d = it->util;
1449
1450        if (d->index_status)
1451                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1452        else
1453                putchar(' ');
1454        if (d->worktree_status)
1455                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1456        else
1457                putchar(' ');
1458        putchar(' ');
1459        if (s->null_termination) {
1460                fprintf(stdout, "%s%c", it->string, 0);
1461                if (d->head_path)
1462                        fprintf(stdout, "%s%c", d->head_path, 0);
1463        } else {
1464                struct strbuf onebuf = STRBUF_INIT;
1465                const char *one;
1466                if (d->head_path) {
1467                        one = quote_path(d->head_path, s->prefix, &onebuf);
1468                        if (*one != '"' && strchr(one, ' ') != NULL) {
1469                                putchar('"');
1470                                strbuf_addch(&onebuf, '"');
1471                                one = onebuf.buf;
1472                        }
1473                        printf("%s -> ", one);
1474                        strbuf_release(&onebuf);
1475                }
1476                one = quote_path(it->string, s->prefix, &onebuf);
1477                if (*one != '"' && strchr(one, ' ') != NULL) {
1478                        putchar('"');
1479                        strbuf_addch(&onebuf, '"');
1480                        one = onebuf.buf;
1481                }
1482                printf("%s\n", one);
1483                strbuf_release(&onebuf);
1484        }
1485}
1486
1487static void wt_shortstatus_other(struct string_list_item *it,
1488                                 struct wt_status *s, const char *sign)
1489{
1490        if (s->null_termination) {
1491                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1492        } else {
1493                struct strbuf onebuf = STRBUF_INIT;
1494                const char *one;
1495                one = quote_path(it->string, s->prefix, &onebuf);
1496                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1497                printf(" %s\n", one);
1498                strbuf_release(&onebuf);
1499        }
1500}
1501
1502static void wt_shortstatus_print_tracking(struct wt_status *s)
1503{
1504        struct branch *branch;
1505        const char *header_color = color(WT_STATUS_HEADER, s);
1506        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1507        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1508
1509        const char *base;
1510        const char *branch_name;
1511        int num_ours, num_theirs;
1512        int upstream_is_gone = 0;
1513
1514        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1515
1516        if (!s->branch)
1517                return;
1518        branch_name = s->branch;
1519
1520        if (starts_with(branch_name, "refs/heads/"))
1521                branch_name += 11;
1522        else if (!strcmp(branch_name, "HEAD")) {
1523                branch_name = _("HEAD (no branch)");
1524                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1525        }
1526
1527        branch = branch_get(s->branch + 11);
1528        if (s->is_initial)
1529                color_fprintf(s->fp, header_color, _("Initial commit on "));
1530
1531        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1532
1533        switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
1534        case 0:
1535                /* no base */
1536                fputc(s->null_termination ? '\0' : '\n', s->fp);
1537                return;
1538        case -1:
1539                /* with "gone" base */
1540                upstream_is_gone = 1;
1541                break;
1542        default:
1543                /* with base */
1544                break;
1545        }
1546
1547        base = branch->merge[0]->dst;
1548        base = shorten_unambiguous_ref(base, 0);
1549        color_fprintf(s->fp, header_color, "...");
1550        color_fprintf(s->fp, branch_color_remote, "%s", base);
1551
1552        if (!upstream_is_gone && !num_ours && !num_theirs) {
1553                fputc(s->null_termination ? '\0' : '\n', s->fp);
1554                return;
1555        }
1556
1557#define LABEL(string) (s->no_gettext ? (string) : _(string))
1558
1559        color_fprintf(s->fp, header_color, " [");
1560        if (upstream_is_gone) {
1561                color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1562        } else if (!num_ours) {
1563                color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1564                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1565        } else if (!num_theirs) {
1566                color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1567                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1568        } else {
1569                color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1570                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1571                color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1572                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1573        }
1574
1575        color_fprintf(s->fp, header_color, "]");
1576        fputc(s->null_termination ? '\0' : '\n', s->fp);
1577}
1578
1579void wt_shortstatus_print(struct wt_status *s)
1580{
1581        int i;
1582
1583        if (s->show_branch)
1584                wt_shortstatus_print_tracking(s);
1585
1586        for (i = 0; i < s->change.nr; i++) {
1587                struct wt_status_change_data *d;
1588                struct string_list_item *it;
1589
1590                it = &(s->change.items[i]);
1591                d = it->util;
1592                if (d->stagemask)
1593                        wt_shortstatus_unmerged(it, s);
1594                else
1595                        wt_shortstatus_status(it, s);
1596        }
1597        for (i = 0; i < s->untracked.nr; i++) {
1598                struct string_list_item *it;
1599
1600                it = &(s->untracked.items[i]);
1601                wt_shortstatus_other(it, s, "??");
1602        }
1603        for (i = 0; i < s->ignored.nr; i++) {
1604                struct string_list_item *it;
1605
1606                it = &(s->ignored.items[i]);
1607                wt_shortstatus_other(it, s, "!!");
1608        }
1609}
1610
1611void wt_porcelain_print(struct wt_status *s)
1612{
1613        s->use_color = 0;
1614        s->relative_paths = 0;
1615        s->prefix = NULL;
1616        s->no_gettext = 1;
1617        wt_shortstatus_print(s);
1618}